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  • 1
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    The Remote Analysis Station (RAS) as an instructional system (1981)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: "Hands-on" training in LANDSAT data analysis techniques can be obtained using a desk-top, interactive remote analysis station (RAS) which consists of a color CRT imagery display, with alphanumeric overwrite and keyboard, as well as a cursor controller and modem. This portable station can communicate via modem and dial-up telephone with a host computer at 1200 baud or it can be hardwired to a host computer at 9600 baud. A Z80 microcomputer controls the display refresh memory and remote station processing. LANDSAT data is displayed as three-band false-color imagery, one-band color-sliced imagery, or color-coded processed imagery. Although the display memory routinely operates at 256 x 256 picture elements, a display resolution of 128 x 128 can be selected to fill the display faster. In the false color mode the computer packs the data into one 8-bit character. When the host is not sending pictorial information the characters sent are in ordinary ASCII code. System capabilities are described.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Purdue Univ. CORSE-81: The 1981 Conf. on Remote Sensing Educ.; p 269-275
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Cartographic mapping study (1982)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The errors associated with planimetric mapping of the United States using satellite remote sensing techniques are analyzed. Assumptions concerning the state of the art achievable for satellite mapping systems and platforms in the 1995 time frame are made. An analysis of these performance parameters is made using an interactive cartographic satellite computer model, after first validating the model using LANDSAT 1 through 3 performance parameters. An investigation of current large scale (1:24,000) US National mapping techniques is made. Using the results of this investigation, and current national mapping accuracy standards, the 1995 satellite mapping system is evaluated for its ability to meet US mapping standards for planimetric and topographic mapping at scales of 1:24,000 and smaller.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-170446 , NAS 1.26:170446 , ERIM-160700-1-F
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Environmental monitoring from spacecraft data (1975)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The author has identified the following significant results. LANDSAT was used as a basis for inventorying land use within each of the Ohio-Kentucky-Indiana regional commissions, 225 drainage areas, and nine counties. Computer tabulations were produced to obtain the area covered by each of 16 land use categories within 225 drainage areas. The 16 categories were merged into ten categories and mapped at a scale of 1 inch = 5,000 ft, with detail to 0.44 hectares for the 2,700 sq mi region. These products were produced in less than 90 days, at a cost of $20,000.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10322 , NASA-CR-142924 , BSR-4183 , Symp. on Machine Processing of Remotely Sensed Data; Jun 01, 1975; Lafayette, IN; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Multispectral data restoration study (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A digital resampling technique for LANDSAT data is reported that incorporates a deconvolution concept to minimize spatial and radiometric degradation of data during resampling for geometric correction. A quantitative comparison of cubic convolution and digital restoration methods establishes the latter as the superior technique.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-156790 , BSR-4246
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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